47921968 has 20 divisors (see below), whose sum is σ = 93072168. Its totient is φ = 23903360.

The previous prime is 47921941. The next prime is 47921969. The reversal of 47921968 is 86912974.

It is not an unprimeable number, because it can be changed into a prime (47921969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708 + ... + 10468.

Almost surely, 2^47921968 is an apocalyptic number.

It is an amenable number.

47921968 is a deficient number, since it is larger than the sum of its proper divisors (45150200).

47921968 is a wasteful number, since it uses less digits than its factorization.

47921968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212 (or 7206 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 47921968 is about 6922.5694651625. The cubic root of 47921968 is about 363.2270762610.

The spelling of 47921968 in words is "forty-seven million, nine hundred twenty-one thousand, nine hundred sixty-eight".